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Duplexes for sale in Key Biscayne

1,752 available properties
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Updated
Foreclosure
Condo
Condo for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

2 Bedrooms

2 Bathrooms

19 hours ago

36 pictures Arrow icon pointing to the right
Updated
House
House for sale in Key Biscayne, Florida
USD 7,450,000
Key Biscayne, Florida
GardenOffice roomTerraceEquipped kitchenSwimming poolLift

19 hours ago

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Foreclosure
Condo
Condo for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

1 Bedroom

2 Bathrooms

895 sq.ft

19 hours ago

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Foreclosure
Condo
Condo for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

2 Bedrooms

2 Bathrooms

2,605 sq.ft

19 hours ago

35 pictures Arrow icon pointing to the right
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House
House for sale in Key Biscayne, Florida
USD 5,478,000
Key Biscayne, Florida
Equipped kitchenSwimming pool

19 hours ago

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Foreclosure
House
House for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

4 Bedrooms

3 Bathrooms

2,314 sq.ft

19 hours ago

40 pictures Arrow icon pointing to the right
Updated
House
House for sale in Key Biscayne, Florida
USD 5,199,000
Key Biscayne, Florida
ParkingSwimming pool

19 hours ago

28 pictures Arrow icon pointing to the right
Apartment
Apartment for sale in Key Biscayne, Florida
USD 3,500,000
Key Biscayne, Florida

1,830 sq.ft

Equipped kitchenSwimming poolLift

6 days + 19 hours ago

30 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 3,980,000
Key Biscayne, Florida

2,821 sq.ft

PatioFireplaceEquipped kitchenSwimming pool

Jul 23, 2026

30 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

11,528 sq.ft

GymEquipped kitchenSwimming poolLift

May 09, 2026

31 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 5,200,000
Key Biscayne, Florida
PatioDeckBalconyEquipped kitchenSwimming poolParking

May 06, 2026

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House
House for sale in Key Biscayne, Florida
USD 3,850,000
Key Biscayne, Florida

5 Bedrooms

GardenTerraceEquipped kitchenAir conditioningSwimming pool

1 week + 3 days ago

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House
House for sale in Key Biscayne, Florida
USD 3,895,000
Key Biscayne, Florida

4 Bedrooms

Equipped kitchenSwimming pool

1 week + 3 days ago

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House
House for sale in Key Biscayne, Florida
USD 3,850,000
Key Biscayne, Florida

5 Bedrooms

GardenTerraceEquipped kitchenAir conditioningSwimming pool

1 week + 3 days ago

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House
House for sale in Key Biscayne, Florida
USD 3,895,000
Key Biscayne, Florida

4 Bedrooms

Equipped kitchenSwimming pool

1 week + 3 days ago

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House
House for sale in Key Biscayne, Florida
USD 3,850,000
Key Biscayne, Florida

5 Bedrooms

GardenTerraceEquipped kitchenAir conditioningSwimming pool

1 week + 3 days ago

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House
House for sale in Key Biscayne, Florida
USD 3,895,000
Key Biscayne, Florida

4 Bedrooms

Equipped kitchenSwimming pool

1 week + 3 days ago

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House
House for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

2 Bedrooms

2 Bathrooms

1,260 sq.ft

GardenGymEquipped kitchenSecurityFully furnished

Jan 02, 2026

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House
House for sale in Key Biscayne, Florida
Request Details
Key Biscayne, Florida

3 Bedrooms

3 Bathrooms

1,181 sq.ft

Equipped kitchen

Jan 02, 2026

38 pictures Arrow icon pointing to the right
New
House
House for sale in Key Biscayne, Florida
USD 1,890,000
Key Biscayne, Florida

2 Bathrooms

175 sq.ft

SaunaBalconyEquipped kitchenSwimming poolParking

1 day + 19 hours ago

32 pictures Arrow icon pointing to the right
New
House
House for sale in Key Biscayne, Florida
USD 535,000
Key Biscayne, Florida

1 Bathroom

68 sq.ft

GardenSwimming pool

1 day + 19 hours ago

24 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 749,000
Key Biscayne, Florida

1 Bathroom

83 sq.ft

SaunaGymEquipped kitchenSwimming pool

Aug 09, 2026

19 pictures Arrow icon pointing to the right
New
House
House for sale in Key Biscayne, Florida
USD 890,000
Key Biscayne, Florida

2 Bathrooms

134 sq.ft

Swimming poolGym

2 days + 19 hours ago

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New
Condo
Condo for sale in Key Biscayne, Florida
USD 535,000
Key Biscayne, Florida

1 Bedroom

1 Bathroom

740 sq.ft

Garden

2 days + 19 hours ago

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Condo
Condo for sale in Key Biscayne, Florida
USD 11,495,000
Key Biscayne, Florida

4 Bedrooms

5 Bathrooms

3,787 sq.ft

Equipped kitchen

May 28, 2026

16 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 950,000
Key Biscayne, Florida

2 Bathrooms

123 sq.ft

Equipped kitchenSwimming poolParking

4 days + 19 hours ago

47 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 1,150,000
Key Biscayne, Florida

2 Bathrooms

98 sq.ft

SaunaSwimming poolBalconyParking

6 days + 19 hours ago

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Condo
Condo for sale in Key Biscayne, Florida
USD 1,150,000
Key Biscayne, Florida

1 Bedroom

2 Bathrooms

1,059 sq.ft

SaunaSwimming poolBalconyParking

1 week + 19 hours ago

41 pictures Arrow icon pointing to the right
Detached House
Detached House for sale in Key Biscayne, Florida
USD 5,600,000
Key Biscayne, Florida

5 Bathrooms

297 sq.ft

PatioGardenEquipped kitchenSwimming pool

1 week + 19 hours ago

30 pictures Arrow icon pointing to the right
House
House for sale in Key Biscayne, Florida
USD 2,650,000
Key Biscayne, Florida

3 Bathrooms

185 sq.ft

Swimming pool

1 week + 19 hours ago

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